Importance of Biodiversity NEET 2025 Level Biodiversity and Conservation Botany NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The Amazon Forest:

I:	is a largely tropical rainforest in South Africa
II:	has the greatest biodiversity on Earth
III:	produces about 20% of total oxygen in the earth’s atmosphere through photosynthesis

Subtopic: Biodiversity Patterns | Importance of Biodiversity | Loss of Biodiversity |

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Assertion (A):	Tilman found that plots with more species showed less year-to-year variation in total biomass
Reason (R):	He showed in his experiment that increased diversity contributed to higher productivity.

1.	Both (A) and (R) are True and the (R) is the correct explanation of the (A).
2.	Both (A) and (R) are True and the (R) is not the correct explanation of the (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

Subtopic: Importance of Biodiversity |

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Assertion (A):	Paul Ehrlich explained the essentiality· of biodiversity for ecosystem health.
Reason (R):	According to Paul Ehrlich, airplane and rivets are analogy to ecosystem and species respectively

1.	Both (A) and (R) are True and the (R) is the correct explanation of the (A).
2.	Both (A) and (R) are True and the (R) is not the correct explanation of the (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

Subtopic: Importance of Biodiversity |

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Consider the given two statements:

Assertion (A):	Ecosystems with higher species richness tend to be more stable and resilient to disturbances.
Reason (R):	Higher species richness reduces competition among species, leading to ecosystem stability.

1.	Both (A) and (R) are True and (R) explains (A).
2.	Both (A) and (R) are True but (R) does not explain (A).
3.	(A) is True but (R) is False.
4.	(A) is False but (R) is True.

Subtopic: Importance of Biodiversity | Biodiversity |

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